The Northern renaissance artist that did not use perspective in his paintings was Albrecht Durer. I hope this answer is useful!
Answer:
He was proud of this piece as it was validation of his career. Euclid is depected as being bent over showing something with a compass; he is known as the father of geometry. Euclid's portait is said to be Raphael's friend Bramante. Plato has his finger pointed toward the sky, as if to say the world they are in is not the physical one, but instead ideas and consepts. It is beilved that Plato face is Leonardo da Vinci's, based on similarites.
I hope this helped a bit
I think false because, they didn't want it to be like the English writers that write straight and lined side-ways always, they write it anywhere and make it fit in to look more beautiful.